Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing my new design in a first embodiment; and,

FIG. 2 is a front view of a display screen or portion thereof with graphical user interface, showing my new design in a second embodiment.

The outermost broken line rectangle showing the display screen and all other broken lines showing portions of the graphical user interface form no part of the claimed design.

The dash dot lines are boundary lines delimiting claimed from unclaimed subject matter and form no part of the claimed design. 

CLAIM I claim, the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 